CVE-2026-23597

Unauthenticated sensitive-data disclosure via API error handling

Published Feb 17, 2026 · Updated Feb 17, 2026

Information disclosure in HPE Aruba Networking Private 5G Core 1.24.3.0 through 1.24.3.4 allows remote attackers to read sensitive API data. The server API error handler returns user accounts, roles, system configuration, and details about internal services and workflows in responses to untrusted requests. Reachability requires adjacent-network access and no authentication or user interaction, but HPE has not disclosed the affected endpoint, request shape, or specific error-handling operation.

CVSS severity6.5
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in HPE Aruba Networking Private 5G Core 1.24.3.0 through 1.24.3.4 allows remote attackers to read sensitive API data. The server API error handler returns user accounts, roles, system configuration, and details about internal services and workflows in responses to untrusted requests. Reachability requires adjacent-network access and no authentication or user interaction, but HPE has not disclosed the affected endpoint, request shape, or specific error-handling operation.

The record

CVE
CVE-2026-23597
Published
Feb 17, 2026
Updated
Feb 17, 2026
Vendor
Hewlett Packard Enterprise (HPE)
Product
HPE Aruba Networking Private 5G Core
Classifications
CWE-200, T1190
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.24.3.0 <=1.24.3.4

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Hewlett Packard Enterprise (HPE) · HPE Aruba Networking Private 5G Coreversion=1.24.3.0 <=1.24.3.4

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.5Hewlett Packard EnterpriseCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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